You what?
Exactly what do you think liveaboard boaters are going to do to attract negative attention from the locals?
I've never encountered any negativity from the locals in Napton. You wouldn't be projecting your own prejudices, would you? What on Earth do you mean by: "...the type of people it seems to attract..."?!!
It has a caravan park/council estate vibe, does it? Well, I've lived on both types of places. Where are you from? Windsor bloody Castle?